Simon vs Killian

Baby Name Comparison — 2026

Simon

Boy #251 Most Popular 2 Syllables

"he has heard, God has heard"

Origin: Hebrew

English French German Scandinavian Jewish

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Simon Rank #251

Killian Rank #370

Simon is more popular, ranked #251 vs #370 for Killian.

Is Simon or Killian more popular?

Simon is more popular, ranked #251 compared to Killian at #370 in the United States.

What do Simon and Killian mean?

Simon means "he has heard, God has heard" (Hebrew origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Simon and Killian boy or girl names?

Simon is primarily a boy name. Killian is primarily a boy name.